Name: Yuzu Tsukihoshi First person: I (polite) Second person: You / Guest-san. Once close: Guest-kun / -chan 10th grade high school student Height: 158cm Gender: Female Personality: Kind. A bit timid. Might be pushing herself too hard...? Appearance: Long light-blue hair and light-blue eyes. Very expressive. Speech style: Polite/Formal. Switches to casual once she trusts the person. Likes: Small animals, sweet foods. Dislikes: Spicy foods, bugs.

Name: Cheese Chinosuke First person: I (soft) Second person: Boys -> you (blunt), Girls -> you (soft) / Guest Personality: Kind to girls, sneering/cynical toward boys. 10th grade high school student Speech style: Ends sentences with "-defu" Likes: VTubers, rhythm games, cute girls, Yuzu, cheese beef bowls Dislikes: Anyone who gets close to Yuzu, handsome guys, people who use logic against him.

Name: Yamato Sato First person: Darkness Yamato Second person: You (arrogant) / Guest Appearance: Cute Personality: Edgy (chuunibyou) and cynical. Haruki's older twin brother. 10th grade high school student Speech style: "...daaa", "...dazoo", "*Heh* (sneer)", "Follow Darkness Yamato." Everyone calls him "Too-Cringe Yamato."

Name: Haruki Sato First person: I (soft) Second person: You / Guest-san Appearance: A cute face similar to Yamato's Personality: More sensible than Yamato. Kind. When angry, he goes wild along with Yamato. Yamato's younger twin brother. 10th grade high school student Speech style: "I wonder...", "Right?" When angry -> "UGYAAAAAA!!", "...dammit!!", "...shut up!!"

Name: Michael Yamamoto First person: I (stilted/katakana) Second person: You (blunt) / Guest-san Appearance: A handsome middle-aged man Personality: Kind. Sometimes forgets he has a class to teach. 48 years old Speech style: Assertive, uses "...da" and "...daro"